import java.lang.reflect.Field;

public class AccessPersonFieIds {
    public static void main(String[] args) {
        try{
            Class cls = Class.forName("reflect.entity.Person");
            Object person = cls.newInstance();

            Field name = cls.getDeclaredField("name");
            name.setAccessible(true);
            System.out.println("赋值前的name："+name.get(person));
            name.set(person,"New Person");
            System.out.println("赋值后的name："+name.get(person));
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (NoSuchFieldException e) {
            e.printStackTrace();
        }
    }
}
